Air spray gun



FIG. 1 is a front-left-top perspective view of an air spray gun, showingmy new design;

FIG. 2 is a front plan view thereof (the rear plan view being a mirrorimage thereof);

FIG. 3 is a left side plan view thereof;

FIG. 4 is a right side plan view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for an air spray gun, as shown and described.